中华世纪坛中央旋转圆坛为全钢封闭式空间刚架的动态特种结构。
The central rotational circular altar of Zhonghua Century Altar is a special dynamic structure of full steel and closed space frame.
即便是今天，敞篷车用于抬升和降低车篷的机械装置以及车体的加固装置仍然使它们比封闭式车厢的轿车车体更沉重，车内空间更狭小，安全系数更低，工艺更复杂。
Even today, the mechanism used to raise and lower the top, along with body reinforcements, make them heavier, less capacious, less secure, and trickier to engineer than their fixed-roof counterparts.
绿色植物可以出现在花园里，在底层半封闭式的空间里，也可以出现在一层的装饰性庭院里，甚至是屋顶露台和建筑物的墙壁和立面上。
Greenery appears in the garden, in a semi-enclosed space on the ground floor, around a decked patio on the first floor, on the roof terrace and on the building's walls and facade.
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